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3 years ago

The planets, comets, and meteors of the solar system are held

Biology

1 answer:

Irina-Kira [14]3 years ago

7 0

Answer:

Gravity

Explanation:

Gravity keeps the planets, comets and meteors in orbit around the sun. The sun is bigger and heavier than other planets etc, this causes the planets to be pulled and kept in orbit around the sun.

Hope this helps!

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How do oceanic upwellings promote the growth of microscopic plankton?

MissTica

Answer:

They bring dissolved nutrients to the surface of the ocean. They decrease the levels of oxygen at the surface of the ocean. They decrease the amount of nutrients at the surface of the ocean.

Explanation:

3 0

3 years ago

If the mitochondria were damaged, what process of the cell would this interfere with?

kicyunya [14]

Answer:

Production of ATP / cellular respiration

Explanation:

The mitochondrion is the powerhouse of the cell. It is responsible for cellular respiration.

6 0

3 years ago

Analyze the data about nitrogenous base content of DNA from various species. Percentages of Bases in Five Organisms Source of DN

Troyanec [42]

Answer:

When analyzing data on the nitrogenous base content of the DNA of various species, the claims are supported by the data:

In any one species, the amount of adenine closely approximates that of thymine.
In any one species, the amount of guanine closely approximates that of cytosine.
The amounts of A, T, G, and C in DNA varies from species to species.

(options A, B and D)

Explanation:

Organizing the data has to:

Source of DNA A T G C

Streptococcus 29.8 31.6 20.5 18.0

Yeast 31.3 32.9 18.7 17.1

Herring 27.8 27.5 22.2 22.6

Human 30.9 29.4 19.9 19.8

E. Coli 24.7 23.6 26.0 25.7

DNA is the molecule that contains the genetic information of each species, formed by sequences of nitrogenous bases Adenine, Thymine, Cytosine and Guanine.

Since Adenine and Thymine -as well as Cytosine and Guanina- are complementary, the percentage of them will be very similar in each DNA molecule.

The genetic information -which determines the physical and functional characteristics of each organism- is encoded in the DNA and is different for each species, so the percentages of nitrogenous bases vary from species to species.

5 0

3 years ago

A moon phase that looks like a half-circle from Earth *

Archy [21]

<h2>C. Quarter moon............</h2>

6 0

2 years ago

What is the purpose of the biogeochemical cycles?

____ [38]

A biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth.
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i hope this helps
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Zane

3 0

3 years ago